text: from synapse.register_plugin import register
  from packages import PackagesController
  
  os_mapping = """
  [fedora]
  default=yum-pkg
  
  [centos]
  default=yum-pkg
  
  [centos_linux]
  default=yum-pkg
  
  [debian]
  default=apt
  
  [ubuntu]
  default=apt
  """
  
  register(os_mapping, PackagesController)
  